Gurobi 5.0.1 (linux64) logging started Fri Nov 16 03:58:19 2012 Optimize a model with 5184 rows, 2352 columns and 17712 nonzeros Presolve removed 1008 rows and 0 columns Presolve time: 0.12s Presolved: 4176 rows, 2352 columns, 15264 nonzeros Variable types: 0 continuous, 2352 integer (2352 binary) Found heuristic solution: objective 27.0000000 Root relaxation: objective 3.000000e+00, 3583 iterations, 0.22 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time * 0 0 0 3.0000000 3.00000 0.0% - 0s Explored 0 nodes (7033 simplex iterations) in 0.62 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%